Finding the Fourth Proportional to 752,994.94, 1,129,492.82 and 472,709.02
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Solution
The fourth proportional to 752,994.94, 1,129,492.82 and 472,709.02 is: 709,063.79
Step by Step Solution
- Step 1: Write the proportion equation
752,994.94 : 1,129,492.82 = 472,709.02 : x - Step 2: Convert to fraction form
752,994.94/1,129,492.82 = 472,709.02/x - Step 3: Cross multiply
752,994.94x = 1,129,492.82 × 472,709.02 - Step 4: Simplify right side
752,994.94x = 533,921,444,039.24 - Step 5: Solve for x
x = 533,921,444,039.24/752,994.94 - Step 6: Final answer
x = 709,063.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.